Extension/AudioCrusher.RoughDraft.Extension.ps1
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<# .Synopsis Audio Crusher .Description Reduce audio bit resolution. .Link https://ffmpeg.org/ffmpeg-filters.html#acrusher #> [Management.Automation.Cmdlet('(?>Edit|Show)', 'Media')] param( # Reduce audio bit resolution. [Parameter(Mandatory)] [switch] $AudioCrusher, # set level in [double] [Alias('acrusher_level_in')] $AudioCrusherLevelIn, # set level out [double] [Alias('acrusher_level_out')] $AudioCrusherLevelOut, # set bit reduction [ValidateRange(1, 64)] [double] [Alias('acrusher_bits')] $AudioCrusherBits, # set mix [ValidateRange(0, 1)] [double] [Alias('acrusher_mix')] $AudioCrusherMix, # set mode [ValidateSet('lin','log')] [string] [Alias('acrusher_mode')] $AudioCrusherMode, # set DC [double] [Alias('acrusher_dc')] $AudioCrusherDc, # set anti-aliasing [ValidateRange(0, 1)] [double] [Alias('acrusher_aa')] $AudioCrusherAa, # set sample reduction [ValidateRange(1, 250)] [double] [Alias('acrusher_samples')] $AudioCrusherSamples, # enable LFO [switch] [Alias('acrusher_lfo')] $AudioCrusherLfo, # set LFO depth [ValidateRange(1, 250)] [double] [Alias('acrusher_lforange')] $AudioCrusherLforange, # set LFO rate [double] [Alias('acrusher_lforate')] $AudioCrusherLforate ) $filterName = 'acrusher' $myCmd = $MyInvocation.MyCommand $filterArgs = @( foreach ($kv in $PSBoundParameters.GetEnumerator()) { $match= foreach ($paramAlias in $myCmd.Parameters[$kv.Key].Aliases) { $m = [Regex]::Match($paramAlias, '_(?<p>.+)$') if ($m.Success) { $m;break } } if ($match.Success) { $v = $kv.Value $p = $match.Value -replace '^_' if ($v -is [switch]) { $v = ($v -as [bool] -as [int]).ToString().ToLower() } if ($v -is [string] -and $myCmd.Parameters[$kv.Key].ValidateSet) { $v = $v.ToLower() } "$p=$($v)" } } ) -join ':' '-af' "$filterName=$filterArgs" -replace "=$" |